中文
相关论文

相关论文: Secure Transmission for THz-Empowered RIS-Assisted…

200 篇论文

Non-terrestrial communications have emerged as a key enabler for seamless connectivity in the upcoming generation networks. This kind of network can support high data rate communications among aerial platforms (i.e., unmanned aerial…

信息论 · 计算机科学 2021-09-06 Jia Ye , Jingping Qiao , Abla Kammoun , Mohamed-Slim Alouini

TeraHertz (THz) communications can satisfy the high data rate demand with massive bandwidth. However, severe path attenuation and hardware imperfection greatly alleviate its performance. Therefore, we utilize the reconfigurable intelligent…

信息论 · 计算机科学 2022-03-22 Hongyang Du , Jiayi Zhang , Ke Guan , Dusit Niyato , Huiying Jiao , Zhiqin Wang , Thomas Kürner

Next-generation communication technology will be made possible by cooperation between terrestrial networks with non-terrestrial networks (NTN) comprised of high-altitude platform stations and satellites. Further, as humanity embarks on the…

信息论 · 计算机科学 2022-04-26 Kürşat Tekbıyık , Güneş Karabulut Kurt , Ali Rıza Ekti , Halim Yanikomeroglu

On the one hand, Reconfigurable Intelligent Surfaces (RISs) emerge as a promising solution to meet the demand for higher data rates, improved coverage, and efficient spectrum utilization. On the other hand, Non-Terrestrial Networks (NTNs)…

In this letter, we analyze the secrecy performance of a reconfigurable intelligent surface (RIS)-aided communication system with spatially random unmanned aerial vehicles (UAVs) acting as eavesdroppers. We consider the scenarios where the…

信息论 · 计算机科学 2022-08-17 Lai Wei , Kezhi Wang , Cunhua Pan , Maged Elkashlan

Terahertz (THz) communications have been envisioned as a promising enabler to provide ultra-high data transmission for sixth generation (6G) wireless networks. To tackle the blockage vulnerability brought by severe attenuation and poor…

信息论 · 计算机科学 2022-11-23 Xinying Ma , Zhi Chen , Chongwen Huang

Terahertz (THz) communication is expected to be a key technology for future sixth-generation (6G) wireless networks. Furthermore, reconfigurable intelligent surfaces (RIS) have been proposed to modify the wireless propagation environment…

网络与互联网体系结构 · 计算机科学 2024-07-29 Waqas Khalid , Heejung Yu , Yazdan Ahmad Qadri

Reconfigurable intelligent surface (RIS)-assisted aerial non-terrestrial networks (NTNs) offer a promising paradigm for enhancing wireless communications in the era of 6G and beyond. By integrating RIS with aerial platforms such as unmanned…

信号处理 · 电气工程与系统科学 2024-12-30 Muhammad Umer , Muhammad Ahmed Mohsin , Aryan Kaushik , Qurrat-ul-Ain Nadeem , Ali Arshad Nasir , Syed Ali Hassan

Quantum networks (QNs) supported by terahertz (THz) wireless links present a transformative alternative to fiber-based infrastructures, particularly in mobile and infrastructure-scarce environments. However, signal attenuation, molecular…

量子物理 · 物理学 2025-10-29 Shakil Ahmed

Terahertz (THz) communications will be pivotal in sixth-generation (6G) wireless networks, offering significantly wider bandwidths and higher data rates. However, the unique propagation characteristics of the THz frequency band, such as…

网络与互联网体系结构 · 计算机科学 2024-09-17 Waqas Khalid , Heejung Yu , Farman Ali , Huiping Huang

In the sixth-generation (6G) Internet of Things (IoT) networks, the use of UAV-mounted base stations and reconfigurable intelligent surfaces (RIS) has been considered to enhance coverage, flexibility, and security in non-terrestrial…

信息论 · 计算机科学 2024-07-29 Abrar Bin Sarawar , A. S. M. Badrudduza , Md. Ibrahim , Imran Shafique Ansari , Heejung Yu

This paper studies the potential of RIS-integrated NTNs to revolutionize the next-generation connectivity. First, it discusses the fundamentals of RIS technology. Secondly, it delves into reporting the recent advances in RIS-enabled NTNs.…

信号处理 · 电气工程与系统科学 2023-10-26 Wali Ullah Khan , Asad Mahmood , Chandan Kumar Sheemar , Eva Lagunas , Symeon Chatzinotas , Björn Ottersten

With the fifth-generation (5G) networks widely commercialized and fast deployed, the sixth-generation (6G) wireless communication is envisioned to provide competitive quality of service (QoS) in multiple aspects to global users. The…

信号处理 · 电气工程与系统科学 2022-10-14 Yiming Huo , Xiaodai Dong , Nuwan Ferdinand

Integrated terrestrial and non-terrestrial networks (ITNTNs) are regarded as a key architectural paradigm for sixth-generation (6G) wireless systems. This paper investigates a dual-aerial reconfigurable intelligent surface (RIS)-assisted…

信号处理 · 电气工程与系统科学 2026-04-15 Vangara Saiprudhvi , Sandeep Singh , Keshav Singh , Hariharan Subramaniyam , Chih-Peng Li

In this paper, we propose a novel network architecture for integrating terrestrial and non-terrestrial networks (NTNs) to establish connection between terrestrial ground stations which are unconnected due to blockage. We propose a new…

信号处理 · 电气工程与系统科学 2023-07-17 Arman Azizi , Arman Farhang

The revolution in the low Earth orbit (LEO) satellite networks will bring changes on their communication models and a shift from the classical bent-pipe architectures to more sophisticated networking platforms. Thanks to technological…

信息论 · 计算机科学 2022-11-22 Kürşat Tekbıyık , Güneş Karabulut Kurt , Ali Rıza Ekti , Halim Yanikomeroglu

Beyond diagonal reconfigurable intelligent surfaces (BD-RIS) have emerged as a transformative technology for enhancing wireless communication by intelligently manipulating the propagation environment. This paper explores the potential of…

信号处理 · 电气工程与系统科学 2025-03-21 Wali Ullah Khan , Chandan Kumar Sheemar , Eva Lagunas , Symeon Chatzinotas

To overcome the challenges of ultra-low latency, ubiquitous coverage, and soaring data rates, this article presents a combined use of Near Field Communication (NFC) and Reconfigurable Holographic Surfaces (RHS) for Non-Terrestrial Networks…

分布式、并行与集群计算 · 计算机科学 2025-09-11 Muhammad Ali Jamshed , Muhammad Ahmed Mohsin , Hongliang Zhang , Bushra Haq , Aryan Kaushik , Boya Di , Weiwei Jiang

Terahertz (THz) communication technology is regarded as a promising enabler for achieving ultra-high data rate transmission in next-generation communication systems. To mitigate the high path loss in THz systems, the transmitting beams are…

信号处理 · 电气工程与系统科学 2025-02-25 Yanzhao Hou , Guoning Wang , Chen Chen , Gaoze Mu , Qimei Cui , Xiaofeng Tao , Yuanmu Yang

Reconfigurable intelligent surface (RIS) technology is emerging as a promising technique for performance enhancement for next-generation wireless networks. This paper investigates the physical layer security of an RIS-assisted…

信息论 · 计算机科学 2024-03-25 Wei Shi , Jindan Xu , Wei Xu , Chau Yuen , A. Lee Swindlehurst , Chunming Zhao
‹ 上一页 1 2 3 10 下一页 ›